As I understand it, the information to be exchanged corresponds to the information on page 2 of one's passport, together with details of the travel logistics. Is that enough information, as you see it? Could more information be sought without in any way compromising the privacy that you are concerned with? If not, will the information be extensive enough to allow us to do the work we want to focus on?
On October 17th, 2017. See this statement in context.